President Trump on Thursday signed legislation ending a key Obama administration coal mining rule. The bill quashes the Office of Surface Mining's Stream Protection Rule, a regulation to protect waterways from coal mining waste that officials finalized in December. The legislation is the second ...

Mines, Quarries, Works and Machinery , - Government of Botswana. Nov 1, 1978 , Provision of first-aid posts and equipment underground 43 First-aid , Precautions to be taken during demolition work 272 Glass and sash.